new file.
input Program.
compute #n = 4.
compute #rep= 1000.

loop i = 1 to #n.
loop j = 1 to #rep.
compute id = rv.uniform(-3,3)+ 3*i.
compute x = i.

COMPUTE fy = PDF.NORMAL(id,3*x,1) .


leave i,j,x,id,fy.
end case.
end loop.

end loop.
end file.
end input program.
execute.